[snmp] SNMP v3 discovery bug in 5.1

Birgit Arkesteijn birgit at westhawk.co.uk
Mon Oct 15 11:15:44 BST 2007


Hi Josh,

I'm still not too sure.
Timeline is only discovered when the engineid was successfully 
discovered, so when timing out on engineid, it shouldn't go for timeline.

Birgit


On 11/10/07 19:29, Josh Bers wrote:
> Birgit,
> 
> I think in your response you may have answered the question: since discovery
> involves potentially two PDU's (timeline & engineid) that would result in 2x
> the timeout :-) Make sense?
> 
> Josh
> 
>> -----Original Message-----
>> From: Birgit Arkesteijn [mailto:birgit at westhawk.co.uk] 
>> Sent: Wednesday, October 10, 2007 6:02 AM
>> To: Josh Bers
>> Cc: Jonathan Tung; 'List for discussion of the Westhawk SNMP 
>> stack'; 'Stephane Blais'
>> Subject: Re: [snmp] SNMP v3 discovery bug in 5.1
>>
>>
>> Hi Josh,
>>
>> Sorry for my late reply, I was on holiday for two weeks.
>>
>> I don't know where the 10s comes from.
>> Discovery is only done (if needed) when adding the pdu to the 
>> v3 context. First the engineid is discovered (unless already 
>> known), then the 
>> timeline is discovered (only if the engine id is known AND 
>> the timeline 
>> isn't known yet).
>>
>> Cheers, Birgit
>>
>>
>> On 28/09/07 22:45, Josh Bers wrote:
>>> Birgit,
>>>
>>> I have confirmed the success of the fix. One strange behavior: On 
>>> failure when disconnected, it takes about 10 seconds for 
>> the discovery 
>>> timeout to happen even though my retry array is [750, 1500, 2250]. 
>>> Does discovery try twice per retry?
>>>
>>> Regards,
>>>
>>> Josh


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-- Birgit Arkesteijn, birgit at westhawk.co.uk,
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